English
14.4 Calibrating the pressure transducer
The pressure transducer has to be correctly calibrated in order to make accurate pressure measurements. Cali-
bration is required:
•
Every four weeks
•
If the A/C service unit has been subjected to heavy shaking
•
Every time the vacuum pump oil is changed
•
If the display shows implausible pressure readings
1.
In the basic menu use the cursor keys or to select
Other selections
.
Short selection
Free selection
Other selections
ENTER-OK
2.
Depressurise the A/C service unit (as described in chapter
on page 23.
3.
Press
ENTER
to confirm.
4.
Use the cursor keys or to select
Service
Service.
----
5.
Press
ENTER
to confirm.
6.
Enter the password
2224
.
7.
Confirm
Pressure transducer
by pressing
ENTER
.
The device evacuates the service hoses.
8.
Unscrew the service couplings from the service hoses (7) and (8).
9.
Press
ENTER
to confirm.
The device equalizes with the ambient pressure.
10.
Screw the service couplings and hand-tight onto the service hoses (7) and (8), taking care not to mix up the
red and blue markings on the couplings and hoses.
Note
You can look up the current atmospheric pressure for your region on the Internet, for example at
under
air pressure
.
11.
Use the keypad to enter the current local atmospheric pressure and press ENTER to confirm.
12.
When calibration has been completed, press
ENTER
to exit the menu.
13.
Press
STOP
twice to access the standby menu.
14.
To evacuate the service hoses, perform a short vacuum phase (see
on page 20).
14.5 Changing the vacuum pump oil
WARNING! Electrocution hazard
Touching uninsulated parts may result in serious injury. Switch off the
A/C service unit and unplug it from the power supply before opening the housing. the A/C service unit
may only be repaired by personnel authorized by Dometic.
1.
Before changing the oil, let the vacuum pump run for about 10 min (manually, via the menu).
25
Содержание AirCon ASC 6100G
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